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Alignment and UniformityΒΆ

A good representation should be able to

  • separate different instances, and
  • cluster similar instances.

Wang et al proposed two concepts that matches the above two ideas, alignment and uniformity, on a hypersphere1.

From Wang et al

From Wang et al1.

  1. Wang T, Isola P. Understanding Contrastive Representation Learning through Alignment and Uniformity on the Hypersphere. arXiv [cs.LG]. 2020. Available: 

Contributors: LM